usr/src/uts/sun4u/sys/i2c/clients/i2c_client.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1999-2002 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _I2C_CLIENT_H
  28 #define _I2C_CLIENT_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 /*
  37  * Common IOCTL definitions for client drivers.
  38  */
  39
  40 #define I2C_BASE_IOCTL  ('M' << 8)
  41
  42 #define I2C_GET_PORT            (I2C_BASE_IOCTL | 0)
  43 #define I2C_SET_PORT            (I2C_BASE_IOCTL | 1)
  44 #define I2C_GET_BIT             (I2C_BASE_IOCTL | 2)
  45 #define I2C_SET_BIT             (I2C_BASE_IOCTL | 3)
  46 #define I2C_GET_REG             (I2C_BASE_IOCTL | 4)
  47 #define I2C_SET_REG             (I2C_BASE_IOCTL | 5)
  48 #define I2C_GET_TEMPERATURE     (I2C_BASE_IOCTL | 7)
  49 #define I2C_GET_FAN_SPEED       (I2C_BASE_IOCTL | 8)
  50 #define I2C_SET_FAN_SPEED       (I2C_BASE_IOCTL | 9)
  51 #define I2C_SET_OUTPUT          (I2C_BASE_IOCTL | 10)
  52 #define I2C_GET_OUTPUT          (I2C_BASE_IOCTL | 11)
  53 #define I2C_GET_INPUT           (I2C_BASE_IOCTL | 12)
  54 #define I2C_SET_MODE            (I2C_BASE_IOCTL | 13)
  55 #define I2C_GET_MODE            (I2C_BASE_IOCTL | 14)
  56
  57 /*
  58  * A private IOCTL definition to be used by clients. The first 128 ioctls
  59  * derived by OR'ing with I2C_BASE_IOCTL are common. The next 128
  60  * ioctls derived by OR'ing with I2C_PVT_BASE_IOCTL are client private.
  61  */
  62
  63 #define I2C_PVT_BASE_IOCTL      (I2C_BASE_IOCTL + 128)
  64
  65 /*
  66  * ARGS for I2C_*_MODE
  67  */
  68 #define I2C_NORMAL      0
  69 #define I2C_DEBUG       1
  70
  71 /*
  72  * ARGS for i2c_bit_t direction
  73  */
  74
  75 #define DIR_NO_CHANGE   0
  76 #define DIR_OUTPUT      1
  77 #define DIR_INPUT       2
  78
  79
  80 #define INST_TO_MINOR(x) (x << 4)
  81 #define MINOR_TO_INST(x) ((x & 0xFFFFFFF0) >> 4)
  82 #define PORT_TO_MINOR(x)  (x)
  83 #define MINOR_TO_PORT(x)  (0x0F & x)
  84
  85 #define I2C_PORT(x)             (0x00 + x)
  86
  87 typedef struct i2c_port {
  88         uint8_t         value;
  89         uint8_t         direction;
  90         uint8_t         dir_mask;
  91 } i2c_port_t;
  92
  93 typedef struct i2c_bit {
  94         uchar_t         bit_num;
  95         boolean_t       bit_value;
  96         uint8_t         direction;
  97 } i2c_bit_t;
  98
  99 typedef struct i2c_reg {
 100         uint8_t         reg_num;
 101         int32_t         reg_value;
 102 } i2c_reg_t;
 103
 104 #if defined(_KERNEL)
 105
 106 #include <sys/i2c/misc/i2c_svc.h>
 107
 108 #endif /* _KERNEL */
 109
 110 #ifdef  __cplusplus
 111 }
 112 #endif
 113
 114 #endif /* _I2C_CLIENT_H */